mine usually sell a few seconds after I put them up for sale; I just look at the lowest price and go lower, which puts it at the top of the list for everyone else. Haven't bother with crafting a badge for quite some time, sold off most of my cards before the sale began. apparently if you go over 200 listings in a calendar year they need more info from you, including your SSN:

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You have created 154 listings this year. Before you can sell or list more than 200 items in a calendar year, we are required to collect certain information from you. Please click here to provide the necessary information. To find out more about this requirement, please visit the FAQ.

I figure if I go over 200 in a year I guess I'll just wait until the next one to keep selling.

what, are we going to need to report our steam card sales to the IRS? yeah, the gov needs it's cut of my 16c profit.

only if you make over $20K:

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Is there a limit on the number of transactions I can participate in in the Community Market?Currently there is no limit on the number of transactions you can participate in. However, the United States Internal Revenue Service, under Section 6050W of the Internal Revenue Code, requires us to collect certain information from you if you engage in more than 200 separate sales transactions in a calendar year. In particular, if you are a U.S. citizen or resident, you will need to provide us with your name, address and Social Security Number, and if you are not a U.S. citizen or resident, you will need to provide evidence of your non-U.S. status on an online form we provide to you. We will be providing a link to these forms and a process by which you can provide the needed information if and as you approach the 200 sales limit. We may use a third-party to collect this information. You can choose not to provide this information if you wish, but you will not be able to list any items for sale in the Community Market once you meet the 200 sales threshold, and any items listed will be removed. Note that, while we are required to collect this information from you, we are not required to share this information with the IRS under Section 6050W unless you exceed $20,000 in gross sales in the Community Market within a single calendar year. For purposes of calculating the number of sales you have made in a calendar year, all of your accounts will be treated as a single account.

Will you be providing 1099ís based on my transactions in the Community Market?The United States Internal Revenue Service requires us to report gross sales for, and provide IRS Form 1099ís to, only those subscribers who are U.S. citizens or residents and who exceed 200 sales transactions in a calendar year and also exceed $20,000 in gross sales proceeds from those sales transactions in that same calendar year, from all of that subscriber's accounts. If you are a U.S. citizen or resident and exceed both of these thresholds, we will report the amount of gross sales to the IRS and provide you with Form 1099.

Do I have to pay income taxes on the proceeds of sales I make in the Community Market?Different countries have different rules relating to the taxation of digital transaction. For U.S. citizens and residents, as discussed above, we are obligated to collect certain taxpayer identifying information from those who engage in more than 200 transactions in a calendar year, but no information is reported to the U.S. Internal Revenue Service unless your gross revenues from such sales exceed $20,000. Ultimately, the responsibility for determining any income tax liabilities, if any, which you may have rests with you, and so if you are concerned about the issue you should consult your own tax advisor.

mine usually sell a few seconds after I put them up for sale; I just look at the lowest price and go lower, which puts it at the top of the list for everyone else. Haven't bother with crafting a badge for quite some time, sold off most of my cards before the sale began. apparently if you go over 200 listings in a calendar year they need more info from you, including your SSN:

Quote

You have created 154 listings this year. Before you can sell or list more than 200 items in a calendar year, we are required to collect certain information from you. Please click here to provide the necessary information. To find out more about this requirement, please visit the FAQ.

I figure if I go over 200 in a year I guess I'll just wait until the next one to keep selling.